Home / 213,141.92-294,130.28-117,646.56

Finding the Fourth Proportional to 213,141.92, 294,130.28 and 117,646.56

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Solution

The fourth proportional to 213,141.92, 294,130.28 and 117,646.56 is: 162,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,141.92 : 294,130.28 = 117,646.56 : x
  2. Step 2: Convert to fraction form
    213,141.92/294,130.28 = 117,646.56/x
  3. Step 3: Cross multiply
    213,141.92x = 294,130.28 × 117,646.56
  4. Step 4: Simplify right side
    213,141.92x = 34,603,415,633.84
  5. Step 5: Solve for x
    x = 34,603,415,633.84/213,141.92
  6. Step 6: Final answer
    x = 162,349.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.